{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828368024",
    "entityType": "User",
    "nonce": "0xa0ad2c52629c34dacb6b8841f47068aca0d61dc1312c59c9b356fff1c8baea6b",
    "signature": "0xb719d4c65b50d11c9de77be25aa14897993168a8f4eb4edae95e6b4916dce5001ec2b380f69c234007831f7a0e1700a323e3a7a550e9e0753c37634151cde02a1c",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}